9x-(3x+9)=8x-39

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Solution for 9x-(3x+9)=8x-39 equation:


Simplifying
9x + -1(3x + 9) = 8x + -39

Reorder the terms:
9x + -1(9 + 3x) = 8x + -39
9x + (9 * -1 + 3x * -1) = 8x + -39
9x + (-9 + -3x) = 8x + -39

Reorder the terms:
-9 + 9x + -3x = 8x + -39

Combine like terms: 9x + -3x = 6x
-9 + 6x = 8x + -39

Reorder the terms:
-9 + 6x = -39 + 8x

Solving
-9 + 6x = -39 + 8x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-8x' to each side of the equation.
-9 + 6x + -8x = -39 + 8x + -8x

Combine like terms: 6x + -8x = -2x
-9 + -2x = -39 + 8x + -8x

Combine like terms: 8x + -8x = 0
-9 + -2x = -39 + 0
-9 + -2x = -39

Add '9' to each side of the equation.
-9 + 9 + -2x = -39 + 9

Combine like terms: -9 + 9 = 0
0 + -2x = -39 + 9
-2x = -39 + 9

Combine like terms: -39 + 9 = -30
-2x = -30

Divide each side by '-2'.
x = 15

Simplifying
x = 15

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